<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>

	<body>
		<script type="text/javascript">
			console.log('1')
			setTimeout(function() {
				console.log('3')
			}, 0)
			console.log('2')
		</script>
	</body>

</html>